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Reroute on loop in anonymous peer-to-peer content sharing networks

机译：REROUTE在匿名点对点内容共享网络中的循环

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摘要

Detecting and handling routing loops is a critical issue in the design of anonymous peer-to-peer content sharing networks (apCSNs). A principal requirement of such a scheme is that it should not leak any message forwarding information that can undermine the user anonymity of the resulting apCSN. A number of loop handling schemes have been developed in apCSNs such as Freenet and GNUnet. However, they all leak certain level of message forwarding information, which can be exploited to undermine or compromise the user anonymity. In this paper we develop a new loop handling scheme named Reroute-on-Loop (ROL) that will not leak any message forwarding information. Using the Thynix simulator developed by the Freenet project, we show that overall ROL only has minor performance impacts on message path lengths compared to the current loop handling scheme of Freenet on various network topologies, ranging from small-world topologies to random topologies. For example, the average routing path lengths of ROL are only increased by less than 1 hop compared to those with the current loop handling scheme of Freenet on small-world network topologies. Our performance studies confirm that ROL is a practical scheme, and can be deployed on Freenet and similar apCSN systems.
机译：检测和处理路由循环是匿名点对点内容共享网络（APCSN）设计中的一个关键问题。此类方案的主要要求是它不应泄漏任何可能破坏生成APCSN的用户匿名的信息转发信息。在APCSN中开发了许多环路处理方案，例如Freenet和GnUnet。但是，它们都泄漏了某些级别的消息转发信息，这可以被剥削破坏或危害用户匿名性。在本文中，我们开发了一个名为Reroute-On-Loop（ROL）的新循环处理方案，这些方案不会泄漏任何消息转发信息。使用由Freenet项目开发的Thynix模拟器，我们表明，与各种网络拓扑上的Frenet的当前环路处理方案相比，整体ROL对消息路径长度仅对消息路径长度进行了较小的性能影响，从小世界拓扑到随机拓扑。例如，与小世界网络拓扑上的FREEEEN的当前环路处理方案相比，ROL的平均路由路径长度仅增加小于1跳。我们的性能研究确认ROL是一种实用的方案，可以部署在Freenet和类似APCSN系统上。

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